clintropolis commented on a change in pull request #9516: More efficient join
filter rewrites
URL: https://github.com/apache/druid/pull/9516#discussion_r393287117
##########
File path:
processing/src/main/java/org/apache/druid/segment/join/filter/JoinFilterAnalyzer.java
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@@ -311,124 +431,99 @@ private static JoinFilterAnalysis rewriteOrFilter(
);
}
- /**
- * Rewrites a selector filter on a join table into an IN filter on the base
table.
- *
- * @param baseColumnNames Set of names of columns that belong to the base
table, including pre-join virtual
- * columns
- * @param selectorFilter SelectorFilter to be rewritten
- * @param prefixes Map of join table prefixes to clauses
- * @param equiconditions Map of equiconditions
- * @param correlationCache Cache of column correlation analyses. This will
be potentially modified by adding
- * any new column correlation analyses to the cache.
- *
- * @return A JoinFilterAnalysis that indicates how to handle the potentially
rewritten filter
- */
private static JoinFilterAnalysis rewriteSelectorFilter(
Review comment:
same question about removal of javadocs
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